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Questions and Answers
What is the primary cause of vasodilation in active muscles during exercise?
What is the primary cause of vasodilation in active muscles during exercise?
- Increased metabolism
- Increased blood flow
- Local chemical factors (correct)
- Decreased resistance
What is the implication of decreased resistance due to vasodilation in active muscles during exercise?
What is the implication of decreased resistance due to vasodilation in active muscles during exercise?
- Decreased blood flow
- Decreased oxygen availability
- Increased blood flow (correct)
- Increased oxygen availability
How does decreased resistance due to vasodilation in active muscles during exercise affect mean arterial pressure (MAP)?
How does decreased resistance due to vasodilation in active muscles during exercise affect mean arterial pressure (MAP)?
- Has no effect on it
- Decreases it (correct)
- Increases it
- Causes it to fluctuate
What determines the increase in MAP during dynamic aerobic exercise?
What determines the increase in MAP during dynamic aerobic exercise?
What happens to myocardial oxygen consumption during dynamic aerobic exercise?
What happens to myocardial oxygen consumption during dynamic aerobic exercise?
What is the rate-pressure product (RPP)?
What is the rate-pressure product (RPP)?
What does an increase in RPP during exercise reflect?
What does an increase in RPP during exercise reflect?
What is the effect of dynamic aerobic exercise on total peripheral resistance (TPR)?
What is the effect of dynamic aerobic exercise on total peripheral resistance (TPR)?
What are the local chemical factors that cause vasodilation in active muscles during exercise?
What are the local chemical factors that cause vasodilation in active muscles during exercise?
What is the effect of decreased resistance due to vasodilation in active muscles during exercise on mean arterial pressure (MAP)?
What is the effect of decreased resistance due to vasodilation in active muscles during exercise on mean arterial pressure (MAP)?
What is the implication of increased myocardial oxygen consumption during dynamic aerobic exercise?
What is the implication of increased myocardial oxygen consumption during dynamic aerobic exercise?
What is the rate-pressure product (RPP) a measure of during exercise?
What is the rate-pressure product (RPP) a measure of during exercise?
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